ATI RN
Chapter 14 Nutrition and Fluid Balance Workbook Answers Questions
Question 1 of 5
Although the terms "water" and "fluid" are often used to refer to the same thing, they are actually different.
Correct Answer: A
Rationale: The correct answer is A: TRUE. Water and fluid are not interchangeable terms. Water specifically refers to the liquid state of H2O molecules, while fluid is a broader term encompassing any substance that flows and takes the shape of its container. Water is a type of fluid, but not all fluids are water. Therefore, it is accurate to say that water and fluid are different. Summary of Other Choices: B: FALSE - Incorrect because water and fluid have distinct meanings. C: NA - Not applicable as it does not provide a valid response. D: NA - Not applicable as it does not provide a valid response.
Question 2 of 5
Salt conservation by the body will result in a hypertonic ECF.
Correct Answer: A
Rationale: Certainly! Salt conservation by the body will lead to an increase in the sodium concentration in the extracellular fluid (ECF), making it hypertonic. This occurs when the kidneys reabsorb more sodium to maintain electrolyte balance. Other choices are incorrect as they do not accurately describe the outcome of salt conservation on ECF tonicity.
Question 3 of 5
Water balance can be regulated independently from solute regulation.
Correct Answer: A
Rationale: Water balance can be regulated independently from solute regulation because the body has separate mechanisms to control water and solute levels. The kidneys regulate water balance through processes like reabsorption and excretion, while solute regulation involves maintaining proper concentrations of ions and molecules in the body. Therefore, it is true that water balance can be controlled independently from solute regulation. Other choices are not applicable (NA) as they do not provide relevant information on the question.
Question 4 of 5
Diabetes insipidus often leads to hypertonicity of the body fluids.
Correct Answer: A
Rationale: Diabetes insipidus causes excessive urination leading to dehydration and increased concentration of body fluids. This results in hypertonicity, making choice A true. Choice B is incorrect as it contradicts the physiological response to diabetes insipidus. Choices C and D are not applicable as they do not provide any relevant information.
Question 5 of 5
The primary factor responsible for regulating H O balance in the body is control of fluid intake via the thirst mechanism.
Correct Answer: A
Rationale: Step 1: The primary factor regulating H2O balance is essential for maintaining proper bodily functions. Step 2: The thirst mechanism is the body's way of signaling the need for fluid intake to maintain hydration. Step 3: By controlling fluid intake through the thirst mechanism, the body can regulate its H2O balance effectively. Step 4: Therefore, the statement that the primary factor responsible for regulating H2O balance in the body is control of fluid intake via the thirst mechanism is TRUE. Summary: - Choice A is correct because the thirst mechanism plays a crucial role in regulating H2O balance. - Choice B is incorrect as it contradicts the importance of the thirst mechanism in H2O balance regulation. - Choices C and D are not applicable as they are labeled as "NA".